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A Study to Evaluate the Effects of a Supplement on Mucus Clearance and Respiratory Symptoms

NCT07740746 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 100

Last updated 2026-08-03

No results posted yet for this study

Summary

This is a randomized, triple-blind, placebo-controlled clinical trial evaluating the effects of the BetterLungs Mullein + Chlorophyll supplement on mucus clearance and respiratory symptoms over 60 days. One hundred adult participants experiencing chest mucus build-up, difficulty clearing mucus, breathlessness, and low energy levels will be enrolled and randomized to either the active supplement or a matched placebo.

Participants will take their assigned product once daily in the morning mixed with water and will complete self-reported questionnaires at Baseline, Day 20, Day 40, and Day 60.

Conditions

  • Mucus Clearance
  • Respiratory Symptoms
  • Breathlessness
  • Chest Mucus Accumulation
  • Low Energy Levels

Interventions

DIETARY_SUPPLEMENT

BetterLungs

50 participants receive the BetterLungs Mullein + Chlorophyll supplement (ingredients: mullein leaf, chlorophyll, vegetable glycerin, purified water) taken once daily in the morning with the first meal of the day; 2 mL (two full droppers) mixed with 8 ounces of water for 60 days

DIETARY_SUPPLEMENT

Placebo

50 participants receive a matched placebo product (ingredients: moss coloring jungle green color, violet color, spirulina, vegetable glycerin, purified water) taken once daily in the morning with the first meal of the day; 2 mL (two full droppers) mixed with 8 ounces of water for 60 days; the taste and appearance of the placebo are matched to the active product

Sponsors & Collaborators

  • Citruslabs

    collaborator INDUSTRY

  • The Better Brand Inc.

    lead INDUSTRY

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2025-04-22
Primary Completion
2025-08-30
Completion
2025-08-30

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07740746 on ClinicalTrials.gov